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STOCKHOLDERS' EQUITY - COMMON STOCK (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 6 Months Ended |  |  | 0 Months Ended | 1 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 Class B common stock | Mar. 31, 2013 Class B common stock | Jun. 26, 2013 Class A common stock | Jul. 31, 2013 Class A common stock | Sep. 30, 2013 Class A common stock | Mar. 31, 2013 Class A common stock
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Common stock, shares authorized |  |  | 1,241,000 | 1,241,000 |  |  | 118,759,000 | 118,759,000
Number of share underwritten by Merriman Capital |  |  |  |  | 3,780,718 |  |  |
Purchase price of shares in Merriman Capital underwriting agreement |  |  |  |  | $ 1.2834 |  |  |
Discount on public offering price per security (percentage) |  |  |  |  | 7.00% |  |  |
Public offering price per security |  |  |  |  | $ 1.38 |  |  |
Additional number of shares bought under the underwriting agreement |  |  |  |  |  | 567,108 |  |
Proceeds from issuance of common stock | $ 0 | $ 3,687 |  |  |  | $ 5,520 |  |

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